NO3¯ + Cr³++ 2H₂O—CrO4²¯ + NO+ 4H+ above redox reaction, use oxidation numbers to fy the element oxidized, the element reduced, the ing agent and the reducing agent. name of the element oxidized: formula of the oxidizing agent: name of the element reduced: formula of the reducing agent:

NO3¯ + Cr³++ 2H₂O—CrO4²¯ + NO+ 4H+ above redox reaction, use oxidation numbers to fy the element oxidized, the element reduced, the ing agent and the reducing agent. name of the element oxidized: formula of the oxidizing agent: name of the element reduced: formula of the reducing agent:

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.

Question

Answer!!!!!!!

2-
NO3 + Cr³+ + 2H₂O CrO4²- + NO+ 4H+
In the above redox reaction, use oxidation numbers to
identify the element oxidized, the element reduced, the
oxidizing agent and the reducing agent.
name of
the
element
oxidized:
formula
of the
oxidizing
agent:
name of
the
element
reduced:
formula
of the
reducing
agent:

Given the standard enthalpy changes for the following two
reactions:
(1) Zn(s) + Cl₂(g)→→→→→→→ZnCl₂(s) AH° -415.0 kJ
(2) Pb(s) + Cl₂(g) PbCl₂(s)
AH° = -359.4 kJ
what is the standard enthalpy change for the reaction:
(3) Zn(s) + PbCl₂(s)→→→→→ZnCl₂(s) + Pb(s)
kJ
ΔΗ° = ?

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